compat-drivers: make CONFIG_BT_WILINK depend on CONFIG_TI_ST

This needs to be carried over to linux-3.9.y.

Signed-off-by: Luis R. Rodriguez <mcgrof@do-not-panic.com>

config.mk

@@ -228,7 +228,9 @@ export CONFIG_BT_HCIUART_3WIRE=y
 export CONFIG_BT_HCIVHCI=m
 export CONFIG_BT_MRVL=m
 ifndef CONFIG_COMPAT_KERNEL_2_6_39
+ifdef CONFIG_TI_ST
 export CONFIG_BT_WILINK=m
+endif #CONFIG_TI_ST
 endif #CONFIG_COMPAT_KERNEL_2_6_39
 
 ifdef CONFIG_PCMCIA